91176940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 195380640

約数和(自身を除く): 104203700

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 181, 283, 356, 362, 445, 566, 724, 890, 905, 1132, 1415, 1780, 1810, 2830, 3620, 5660, 16109, 25187, 32218, 50374, 51223, 64436, 80545, 100748, 102446, 125935, 161090, 204892, 251870, 256115, 322180, 503740, 512230, 1024460, 4558847, 9117694, 18235388, 22794235, 45588470, 91176940]

約数ペア:

[(1, 91176940), (2, 45588470), (4, 22794235), (5, 18235388), (10, 9117694), (20, 4558847), (89, 1024460), (178, 512230), (181, 503740), (283, 322180), (356, 256115), (362, 251870), (445, 204892), (566, 161090), (724, 125935), (890, 102446), (905, 100748), (1132, 80545), (1415, 64436), (1780, 51223), (1810, 50374), (2830, 32218), (3620, 25187), (5660, 16109)]